Least Common Multiple (LCM) of 179 and 121
The least common multiple (LCM) of 179 and 121 is 21659.
What is the Least Common Multiple (LCM)?
The LCM of two integers is the smallest positive integer that is divisible by both numbers. It is often used to find common denominators and solve problems involving periodic events.
Formula for LCM
The LCM of two numbers can be calculated using their GCD:
LCM(a, b) = |a × b| ÷ GCD(a, b)
How to Calculate the LCM of 179 and 121?
First, calculate the GCD of 179 and 121 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 179 ÷ 121 = 1 remainder 58 |
| 2 | 121 ÷ 58 = 2 remainder 5 |
| 3 | 58 ÷ 5 = 11 remainder 3 |
| 4 | 5 ÷ 3 = 1 remainder 2 |
| 5 | 3 ÷ 2 = 1 remainder 1 |
| 6 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 173 and 103 | 17819 |
| 117 and 183 | 7137 |
| 17 and 84 | 1428 |
| 171 and 78 | 4446 |
| 109 and 73 | 7957 |